FI945762A0 - New 3-oxo-1,4-benzothiazine derivatives - Google Patents

New 3-oxo-1,4-benzothiazine derivatives

Info

Publication number
FI945762A0
FI945762A0 FI945762A FI945762A FI945762A0 FI 945762 A0 FI945762 A0 FI 945762A0 FI 945762 A FI945762 A FI 945762A FI 945762 A FI945762 A FI 945762A FI 945762 A0 FI945762 A0 FI 945762A0
Authority
FI
Finland
Prior art keywords
lower alkyl
oxo
new
hydroxy
protected
Prior art date
Application number
FI945762A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI945762A (en
Inventor
Yoichi Kawashima
Atsutoshi Ota
Yuko Morikawa
Hiroyuki Mibu
Original Assignee
Santen Pharmaceutical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Santen Pharmaceutical Co Ltd filed Critical Santen Pharmaceutical Co Ltd
Publication of FI945762A0 publication Critical patent/FI945762A0/en
Publication of FI945762A publication Critical patent/FI945762A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
    • C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
    • C07D279/14—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems
    • C07D279/16—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6536—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having nitrogen and sulfur atoms with or without oxygen atoms, as the only ring hetero atoms
    • C07F9/6544—Six-membered rings
    • C07F9/6547—Six-membered rings condensed with carbocyclic rings or carbocyclic ring systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

This invention relates to the compounds of the formula [I] which are useful for the treatment of cataracts, and the synthetic intermediates of the formula [II], <CHEM> wherein R<1> is hydroxy which can be protected by a protective group; R<2> is lower alkyl; R<3> is hydrogen, lower alkyl, hydroxy, which can be protected by a protective group, or lower alkoxy, and the said lower alkyl can be substituted by hydroxy, which can be protected by a protective group, amino or lower alkylamino; R<4> is tetrazolyl, phosphonyl or lower alkyl ester thereof, or sulfonyl or lower alkyl ester thereof, and A is alkylene.
FI945762A 1993-12-09 1994-12-08 New 3-oxo-1,4-benzothiazine derivatives FI945762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30913193 1993-12-09

Publications (2)

Publication Number Publication Date
FI945762A0 true FI945762A0 (en) 1994-12-08
FI945762A FI945762A (en) 1995-06-10

Family

ID=17989274

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945762A FI945762A (en) 1993-12-09 1994-12-08 New 3-oxo-1,4-benzothiazine derivatives

Country Status (10)

Country Link
US (1) US5547952A (en)
EP (1) EP0657444B1 (en)
KR (1) KR950017982A (en)
CN (1) CN1109882A (en)
AT (1) ATE178323T1 (en)
CA (1) CA2137626A1 (en)
DE (1) DE69417523T2 (en)
FI (1) FI945762A (en)
NO (1) NO944762L (en)
TW (1) TW306919B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923709A (en) * 1974-08-30 1975-12-02 Monsanto Co 3,4-Dihydro-3-oxo-2H-1,4-benzothiazines and benzoxazines
US4078062A (en) * 1976-10-28 1978-03-07 E. R. Squibb & Sons, Inc. Substituted 2H-1,4-benzothiazin-3(4H)-ones
US4584300A (en) * 1983-02-07 1986-04-22 Santen Pharmaceutical Co., Ltd. Platelet anti-aggregative- and calcium antagonistic -1,4-benzothiazin-3-one derivatives, compositions, and methods of use therefor
GB8413915D0 (en) * 1984-05-31 1984-07-04 Wellcome Found Phenothiazine compounds
JPH0730058B2 (en) * 1988-05-14 1995-04-05 参天製薬株式会社 3-oxo-1,4-benzothiazine derivative
ATE197297T1 (en) * 1992-08-31 2000-11-15 Santen Pharmaceutical Co Ltd 3-OXO-1,4-BENZOTHIAZINE DERIVATIVES

Also Published As

Publication number Publication date
DE69417523T2 (en) 1999-09-16
DE69417523D1 (en) 1999-05-06
EP0657444A1 (en) 1995-06-14
TW306919B (en) 1997-06-01
KR950017982A (en) 1995-07-22
NO944762D0 (en) 1994-12-08
US5547952A (en) 1996-08-20
CN1109882A (en) 1995-10-11
FI945762A (en) 1995-06-10
CA2137626A1 (en) 1995-06-10
NO944762L (en) 1995-06-12
EP0657444B1 (en) 1999-03-31
ATE178323T1 (en) 1999-04-15

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Legal Events

Date Code Title Description
FD Application lapsed